namespace System.Runtime.Serialization.Formatters.Binary
{
    [Obsolete("BinaryFormatter serialization is obsolete and should not be used. See https://aka.ms/binaryformatter for more information.", DiagnosticId = "SYSLIB0011", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
    public sealed class BinaryFormatter : IFormatter
    {
        [RequiresUnreferencedCode("BinaryFormatter serialization is not trim compatible because the type of objects being processed cannot be statically discovered.")]
        public void Serialize(Stream! serializationStream, object! graph);
    }
}